Vintage watches

Oris BC4 Small Second, Date

Simply striking The Oris BC4 Aviation collection reaches new heights with this latest model. Simple and understated but with all the hallmarks of an Oris flight instrument, it has a classic aviation look. It’s clear for all to see that this is classic Oris BC4.

Case Oris BC4, 42.70 mm, 1.681 inches, Stainless steel / black plated
Material Multi-piece stainless steel case, black DLC plated
Size 42.70 mm, 1.681 inches
Top Glass Sapphire, domed on both sides, anti-reflective coating inside
Case Back Stainless steel, black DLC plated, fixed with screws, see-through mineral glass
Operating Devices Stainless steel Oris Quick Lock security crown, black plated
Water Resistance 10 bar (100 m, 328 ft)
Interhorn Width 22 mm
Movement Automatic winding small second, date
Developed by Oris.
Number Oris 643, base ETA 2836-2
Dimensions Ø 25.60 mm, 11 1/2’’’
Functions Centre hands for hours and minutes, subsidiary second at 9 h, date window, date corrector, fine timing device and stop-second
Winding Automatic winding, bi-directionally rotating red rotor
Power-Reserve 38 hrs
Vibrations 28’800 A/h, 4 Hz
Jewels 27
Dial Black
Material Black dial
Luminous Material Indices and hands Superluminova BG W9
Strap/Bracelet Leather
Material Black leather strap, stainless steel, black DLC plated folding clasp
Reference 01 643 7617 4764-07 5 22 58BFC
Oris BC4 - Oris BC4 Small Second, Date 01 643 7617 4764-07 5 22 58BFC